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node_modules/lucky-canvas/LICENSE
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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node_modules/lucky-canvas/README.md
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<div align="center">
<img src="https://unpkg.com/buuing@0.0.1/imgs/lucky-canvas.png" width="128" alt="logo" />
<h1>lucky-canvas 抽奖插件</h1>
<p>一个基于 JavaScript 的跨平台 ( 大转盘 / 九宫格 / 老虎机 ) 抽奖插件</p>
<p>
<a href="https://github.com/buuing/lucky-canvas/stargazers" target="_black">
<img src="https://img.shields.io/github/stars/buuing/lucky-canvas?color=%23ffba15&logo=github&style=flat-square" alt="stars" />
</a>
<a href="https://github.com/buuing/lucky-canvas/network/members" target="_black">
<img src="https://img.shields.io/github/forks/buuing/lucky-canvas?color=%23ffba15&logo=github&style=flat-square" alt="forks" />
</a>
<a href="https://github.com/buuing" target="_black">
<img src="https://img.shields.io/badge/Author-%20buuing%20-7289da.svg?&logo=github&style=flat-square" alt="author" />
</a>
<a href="https://github.com/buuing/lucky-canvas/blob/master/LICENSE" target="_black">
<img src="https://img.shields.io/github/license/buuing/lucky-canvas?color=%232dce89&logo=github&style=flat-square" alt="license" />
</a>
</p>
</div>
<br />
## 官方文档 & Demo演示
> **中文**：[https://100px.net/usage/js.html](https://100px.net/usage/js.html)
> **English**：**If anyone can help translate the document, please contact me** `ldq404@qq.com`
<br />
## 在 JS / TS 中使用
- [跳转官网 查看详情](https://100px.net/usage/js.html)
<br />
## 🙏🙏🙏 点个Star
**如果您觉得这个项目还不错, 可以在 [Github](https://github.com/buuing/lucky-canvas) 上面帮我点个`star`, 支持一下作者 ☜(ﾟヮﾟ☜)**
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module.exports = require('./dist/index.umd.js')
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{
"name": "lucky-canvas",
"version": "1.7.27",
"description": "一个基于原生 js 的（大转盘 / 九宫格 / 老虎机）抽奖插件",
"main": "dist/index.cjs.js",
"module": "dist/index.esm.js",
"unpkg": "dist/index.umd.js",
"jsdelivr": "dist/index.umd.js",
"types": "types/index.d.ts",
"scripts": {
"dev": "rollup --config rollup.config.dev.js -w",
"build": "rollup --config rollup.config.build.js"
},
"homepage": "https://100px.net",
"bugs": "https://github.com/LuckDraw/lucky-canvas/issues",
"repository": {
"type": "git",
"url": "git+https://github.com/LuckDraw/lucky-canvas.git",
"directory": "packages/lucky-canvas"
},
"author": "ldq <ldq404@qq.com>",
"license": "Apache-2.0",
"files": [
"dist",
"types",
"index.js"
],
"keywords": [
"大转盘抽奖",
"九宫格抽奖",
"老虎机抽奖",
"抽奖插件",
"js抽奖",
"移动端抽奖",
"canvas抽奖"
],
"devDependencies": {
"@babel/core": "^7.12.3",
"@babel/preset-env": "^7.12.1",
"@babel/plugin-transform-runtime": "^7.16.4",
"@babel/runtime": "^7.16.3",
"core-js": "^3.19.2",
"@rollup/plugin-commonjs": "^16.0.0",
"@rollup/plugin-eslint": "^8.0.1",
"@rollup/plugin-json": "^4.1.0",
"@rollup/plugin-node-resolve": "^10.0.0",
"@rollup/plugin-typescript": "^6.1.0",
"@typescript-eslint/parser": "^4.14.0",
"babel-plugin-external-helpers": "^6.22.0",
"babel-preset-latest": "^6.24.1",
"eslint": "^7.18.0",
"eslint-plugin-prettier": "^3.3.1",
"prettier": "^2.2.1",
"rollup": "^2.33.1",
"rollup-plugin-babel": "^4.4.0",
"rollup-plugin-livereload": "^2.0.0",
"rollup-plugin-serve": "^1.1.0",
"rollup-plugin-terser": "^7.0.2",
"rollup-plugin-delete": "^2.0.0",
"rollup-plugin-dts": "^3.0.2",
"rollup-plugin-typescript2": "^0.30.0",
"tslib": "^2.3.1",
"typescript": "^4.0.5"
},
"dependencies": {}
}
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declare type FontItemType = {
text: string;
top?: string | number;
left?: string | number;
fontColor?: string;
fontSize?: string;
fontStyle?: string;
fontWeight?: string;
lineHeight?: string;
};
declare type FontExtendType = {
wordWrap?: boolean;
lengthLimit?: string | number;
lineClamp?: number;
};
declare type ImgType = HTMLImageElement | HTMLCanvasElement;
declare type ImgItemType = {
src: string;
top?: string | number;
left?: string | number;
width?: string;
height?: string;
formatter?: (img: ImgType) => ImgType;
$resolve?: Function;
$reject?: Function;
};
declare type BorderRadiusType = string | number;
declare type BackgroundType = string;
declare type ShadowType = string;
declare type ConfigType = {
nodeType?: number;
flag: 'WEB' | 'MP-WX' | 'UNI-H5' | 'UNI-MP' | 'TARO-H5' | 'TARO-MP';
el?: string;
divElement?: HTMLDivElement;
canvasElement?: HTMLCanvasElement;
ctx: CanvasRenderingContext2D;
dpr: number;
handleCssUnit?: (num: number, unit: string) => number;
rAF?: Function;
setTimeout: Function;
setInterval: Function;
clearTimeout: Function;
clearInterval: Function;
beforeCreate?: Function;
beforeResize?: Function;
afterResize?: Function;
beforeInit?: Function;
afterInit?: Function;
beforeDraw?: Function;
afterDraw?: Function;
afterStart?: Function;
};
declare type UserConfigType = Partial<ConfigType>;
declare type Tuple<T, Len extends number, Res extends T[] = []> = Res['length'] extends Len ? Res : Tuple<T, Len, [...Res, T]>;
interface WatchOptType {
handler?: () => Function;
immediate?: boolean;
deep?: boolean;
}
declare class Lucky {
static version: string;
protected readonly version: string;
protected readonly config: ConfigType;
protected readonly ctx: CanvasRenderingContext2D;
protected htmlFontSize: number;
protected rAF: Function;
protected boxWidth: number;
protected boxHeight: number;
protected data: {
width: string | number;
height: string | number;
};
/**
* 公共构造器
* @param config
*/
constructor(config: string | HTMLDivElement | UserConfigType, data: {
width: string | number;
height: string | number;
});
/**
* 初始化组件大小/单位
*/
protected resize(): void;
/**
* 初始化方法
*/
protected initLucky(): void;
/**
* 鼠标点击事件
* @param e 事件参数
*/
protected handleClick(e: MouseEvent): void;
/**
* 根标签的字体大小
*/
protected setHTMLFontSize(): void;
clearCanvas(): void;
/**
* 设备像素比
* window 环境下自动获取, 其余环境手动传入
*/
protected setDpr(): void;
/**
* 重置盒子和canvas的宽高
*/
private resetWidthAndHeight;
/**
* 根据 dpr 缩放 canvas 并处理位移
*/
protected zoomCanvas(): void;
/**
* 从 window 对象上获取一些方法
*/
private initWindowFunction;
isWeb(): boolean;
/**
* 异步加载图片并返回图片的几何信息
* @param src 图片路径
* @param info 图片信息
*/
protected loadImg(src: string, info: ImgItemType, resolveName?: string): Promise<ImgType>;
/**
* 公共绘制图片的方法
* @param imgObj 图片对象
* @param rectInfo: [x轴位置, y轴位置, 渲染宽度, 渲染高度]
*/
protected drawImage(ctx: CanvasRenderingContext2D, imgObj: ImgType, ...rectInfo: [...Tuple<number, 4>, ...Partial<Tuple<number, 4>>]): void;
/**
* 计算图片的渲染宽高
* @param imgObj 图片标签元素
* @param imgInfo 图片信息
* @param maxWidth 最大宽度
* @param maxHeight 最大高度
* @return [渲染宽度, 渲染高度]
*/
protected computedWidthAndHeight(imgObj: ImgType, imgInfo: ImgItemType, maxWidth: number, maxHeight: number): [number, number];
/**
* 转换单位
* @param { string } value 将要转换的值
* @param { number } denominator 分子
* @return { number } 返回新的字符串
*/
protected changeUnits(value: string, denominator?: number): number;
/**
* 获取长度
* @param length 将要转换的长度
* @param maxLength 最大长度
* @return 返回长度
*/
protected getLength(length: string | number | undefined, maxLength?: number): number;
/**
* 获取相对(居中)X坐标
* @param width
* @param col
*/
protected getOffsetX(width: number, maxWidth?: number): number;
protected getOffscreenCanvas(width: number, height: number): {
_offscreenCanvas: HTMLCanvasElement;
_ctx: CanvasRenderingContext2D;
} | void;
/**
* 添加一个新的响应式数据 (临时)
* @param data 数据
* @param key 属性
* @param value 新值
*/
$set(data: object, key: string | number, value: any): void;
/**
* 添加一个属性计算 (临时)
* @param data 源数据
* @param key 属性名
* @param callback 回调函数
*/
protected $computed(data: object, key: string, callback: Function): void;
/**
* 添加一个观察者 create user watcher
* @param expr 表达式
* @param handler 回调函数
* @param watchOpt 配置参数
* @return 卸载当前观察者的函数 (暂未返回)
*/
protected $watch(expr: string | Function, handler: Function | WatchOptType, watchOpt?: WatchOptType): Function;
}
declare type PrizeFontType$2 = FontItemType & FontExtendType;
declare type ButtonFontType$1 = FontItemType & {};
declare type BlockImgType$2 = ImgItemType & {
rotate?: boolean;
};
declare type PrizeImgType$2 = ImgItemType & {};
declare type ButtonImgType$1 = ImgItemType & {};
declare type BlockType$2 = {
padding?: string;
background?: BackgroundType;
imgs?: Array<BlockImgType$2>;
};
declare type PrizeType$2 = {
range?: number;
background?: BackgroundType;
fonts?: Array<PrizeFontType$2>;
imgs?: Array<PrizeImgType$2>;
};
declare type ButtonType$1 = {
radius?: string;
pointer?: boolean;
background?: BackgroundType;
fonts?: Array<ButtonFontType$1>;
imgs?: Array<ButtonImgType$1>;
};
declare type DefaultConfigType$2 = {
gutter?: string | number;
offsetDegree?: number;
speed?: number;
speedFunction?: string;
accelerationTime?: number;
decelerationTime?: number;
stopRange?: number;
};
declare type DefaultStyleType$2 = {
background?: BackgroundType;
fontColor?: PrizeFontType$2['fontColor'];
fontSize?: PrizeFontType$2['fontSize'];
fontStyle?: PrizeFontType$2['fontStyle'];
fontWeight?: PrizeFontType$2['fontWeight'];
lineHeight?: PrizeFontType$2['lineHeight'];
wordWrap?: PrizeFontType$2['wordWrap'];
lengthLimit?: PrizeFontType$2['lengthLimit'];
lineClamp?: PrizeFontType$2['lineClamp'];
};
declare type StartCallbackType$1 = (e: MouseEvent) => void;
declare type EndCallbackType$2 = (prize: object) => void;
interface LuckyWheelConfig {
width: string | number;
height: string | number;
blocks?: Array<BlockType$2>;
prizes?: Array<PrizeType$2>;
buttons?: Array<ButtonType$1>;
defaultConfig?: DefaultConfigType$2;
defaultStyle?: DefaultStyleType$2;
start?: StartCallbackType$1;
end?: EndCallbackType$2;
}
declare class LuckyWheel extends Lucky {
private blocks;
private prizes;
private buttons;
private defaultConfig;
private defaultStyle;
private _defaultConfig;
private _defaultStyle;
private startCallback?;
private endCallback?;
private Radius;
private prizeRadius;
private prizeDeg;
private prizeAng;
private rotateDeg;
private maxBtnRadius;
private startTime;
private endTime;
private stopDeg;
private endDeg;
private FPS;
/**
* 游戏当前的阶段
* step = 0 时, 游戏尚未开始
* step = 1 时, 此时处于加速阶段
* step = 2 时, 此时处于匀速阶段
* step = 3 时, 此时处于减速阶段
*/
private step;
/**
* 中奖索引
* prizeFlag = undefined 时, 处于开始抽奖阶段, 正常旋转
* prizeFlag >= 0 时, 说明stop方法被调用, 并且传入了中奖索引
* prizeFlag === -1 时, 说明stop方法被调用, 并且传入了负值, 本次抽奖无效
*/
private prizeFlag;
private ImageCache;
/**
* 大转盘构造器
* @param config 配置项
* @param data 抽奖数据
*/
constructor(config: UserConfigType, data: LuckyWheelConfig);
protected resize(): void;
protected initLucky(): void;
/**
* 初始化数据
* @param data
*/
private initData;
/**
* 初始化属性计算
*/
private initComputed;
/**
* 初始化观察者
*/
private initWatch;
/**
* 初始化 canvas 抽奖
*/
init(): Promise<void>;
private initImageCache;
/**
* canvas点击事件
* @param e 事件参数
*/
protected handleClick(e: MouseEvent): void;
/**
* 根据索引单独加载指定图片并缓存
* @param cellName 模块名称
* @param cellIndex 模块索引
* @param imgName 模块对应的图片缓存
* @param imgIndex 图片索引
*/
private loadAndCacheImg;
private drawBlock;
/**
* 开始绘制
*/
protected draw(): void;
/**
* 刻舟求剑
*/
private carveOnGunwaleOfAMovingBoat;
/**
* 对外暴露: 开始抽奖方法
*/
play(): void;
/**
* 对外暴露: 缓慢停止方法
* @param index 中奖索引
*/
stop(index?: number): void;
/**
* 实际开始执行方法
* @param num 记录帧动画执行多少次
*/
private run;
/**
* 换算渲染坐标
* @param x
* @param y
*/
protected conversionAxis(x: number, y: number): [number, number];
}
declare type PrizeFontType$1 = FontItemType & FontExtendType;
declare type ButtonFontType = FontItemType & FontExtendType;
declare type BlockImgType$1 = ImgItemType & {};
declare type PrizeImgType$1 = ImgItemType & {
activeSrc?: string;
};
declare type ButtonImgType = ImgItemType & {};
declare type BlockType$1 = {
borderRadius?: BorderRadiusType;
background?: BackgroundType;
padding?: string;
paddingTop?: string | number;
paddingRight?: string | number;
paddingBottom?: string | number;
paddingLeft?: string | number;
imgs?: Array<BlockImgType$1>;
};
declare type CellType<T, U> = {
x: number;
y: number;
col?: number;
row?: number;
borderRadius?: BorderRadiusType;
background?: BackgroundType;
shadow?: ShadowType;
fonts?: Array<T>;
imgs?: Array<U>;
};
declare type PrizeType$1 = CellType<PrizeFontType$1, PrizeImgType$1> & {
range?: number;
disabled?: boolean;
};
declare type ButtonType = CellType<ButtonFontType, ButtonImgType> & {
callback?: Function;
};
declare type DefaultConfigType$1 = {
gutter?: number;
speed?: number;
accelerationTime?: number;
decelerationTime?: number;
};
declare type DefaultStyleType$1 = {
borderRadius?: BorderRadiusType;
background?: BackgroundType;
shadow?: ShadowType;
fontColor?: PrizeFontType$1['fontColor'];
fontSize?: PrizeFontType$1['fontSize'];
fontStyle?: PrizeFontType$1['fontStyle'];
fontWeight?: PrizeFontType$1['fontWeight'];
lineHeight?: PrizeFontType$1['lineHeight'];
wordWrap?: PrizeFontType$1['wordWrap'];
lengthLimit?: PrizeFontType$1['lengthLimit'];
lineClamp?: PrizeFontType$1['lineClamp'];
};
declare type ActiveStyleType = {
background?: BackgroundType;
shadow?: ShadowType;
fontColor?: PrizeFontType$1['fontColor'];
fontSize?: PrizeFontType$1['fontSize'];
fontStyle?: PrizeFontType$1['fontStyle'];
fontWeight?: PrizeFontType$1['fontWeight'];
lineHeight?: PrizeFontType$1['lineHeight'];
};
declare type RowsType = number;
declare type ColsType = number;
declare type StartCallbackType = (e: MouseEvent, button?: ButtonType) => void;
declare type EndCallbackType$1 = (prize: object) => void;
interface LuckyGridConfig {
width: string | number;
height: string | number;
rows?: RowsType;
cols?: ColsType;
blocks?: Array<BlockType$1>;
prizes?: Array<PrizeType$1>;
buttons?: Array<ButtonType>;
button?: ButtonType;
defaultConfig?: DefaultConfigType$1;
defaultStyle?: DefaultStyleType$1;
activeStyle?: ActiveStyleType;
start?: StartCallbackType;
end?: EndCallbackType$1;
}
declare class LuckyGrid extends Lucky {
private rows;
private cols;
private blocks;
private prizes;
private buttons;
private button?;
private defaultConfig;
private defaultStyle;
private activeStyle;
private _defaultConfig;
private _defaultStyle;
private _activeStyle;
private startCallback?;
private endCallback?;
private cellWidth;
private cellHeight;
private startTime;
private endTime;
private currIndex;
private stopIndex;
private endIndex;
private demo;
private timer;
private FPS;
/**
* 游戏当前的阶段
* step = 0 时, 游戏尚未开始
* step = 1 时, 此时处于加速阶段
* step = 2 时, 此时处于匀速阶段
* step = 3 时, 此时处于减速阶段
*/
private step;
/**
* 中奖索引
* prizeFlag = undefined 时, 处于开始抽奖阶段, 正常旋转
* prizeFlag >= 0 时, 说明stop方法被调用, 并且传入了中奖索引
* prizeFlag === -1 时, 说明stop方法被调用, 并且传入了负值, 本次抽奖无效
*/
private prizeFlag;
private cells;
private prizeArea;
private ImageCache;
/**
* 九宫格构造器
* @param config 配置项
* @param data 抽奖数据
*/
constructor(config: UserConfigType, data: LuckyGridConfig);
protected resize(): void;
protected initLucky(): void;
/**
* 初始化数据
* @param data
*/
private initData;
/**
* 初始化属性计算
*/
private initComputed;
/**
* 初始化观察者
*/
private initWatch;
/**
* 初始化 canvas 抽奖
*/
init(): Promise<void>;
private initImageCache;
/**
* canvas点击事件
* @param e 事件参数
*/
protected handleClick(e: MouseEvent): void;
/**
* 根据索引单独加载指定图片并缓存
* @param cellName 模块名称
* @param cellIndex 模块索引
* @param imgName 模块对应的图片缓存
* @param imgIndex 图片索引
*/
private loadAndCacheImg;
/**
* 绘制九宫格抽奖
*/
protected draw(): void;
/**
* 处理背景色
* @param x
* @param y
* @param width
* @param height
* @param background
* @param isActive
*/
private handleBackground;
/**
* 刻舟求剑
*/
private carveOnGunwaleOfAMovingBoat;
/**
* 对外暴露: 开始抽奖方法
*/
play(): void;
/**
* 对外暴露: 缓慢停止方法
* @param index 中奖索引
*/
stop(index?: number): void;
/**
* 实际开始执行方法
* @param num 记录帧动画执行多少次
*/
private run;
/**
* 计算奖品格子的几何属性
* @param { array } [...矩阵坐标, col, row]
* @return { array } [...真实坐标, width, height]
*/
private getGeometricProperty;
/**
* 换算渲染坐标
* @param x
* @param y
*/
protected conversionAxis(x: number, y: number): [number, number];
}
declare type PrizeFontType = FontItemType & FontExtendType;
declare type BlockImgType = ImgItemType & {};
declare type PrizeImgType = ImgItemType;
declare type BlockType = {
borderRadius?: BorderRadiusType;
background?: BackgroundType;
padding?: string;
paddingTop?: string | number;
paddingRight?: string | number;
paddingBottom?: string | number;
paddingLeft?: string | number;
imgs?: Array<BlockImgType>;
};
declare type PrizeType = {
borderRadius?: BorderRadiusType;
background?: BackgroundType;
fonts?: Array<PrizeFontType>;
imgs?: Array<PrizeImgType>;
};
declare type SlotType = {
order?: number[];
speed?: number;
direction?: 1 | -1;
};
declare type DefaultConfigType = {
/**
* vertical 为纵向旋转
* horizontal 为横向旋转
*/
mode?: 'vertical' | 'horizontal';
/**
* 当排列方向 = `vertical`时
* 1 bottom to top
* -1 top to bottom
* 当排列方向 = `horizontal`时
* 1 right to left
* -1 left to right
*/
direction?: 1 | -1;
rowSpacing?: number;
colSpacing?: number;
speed?: number;
accelerationTime?: number;
decelerationTime?: number;
};
declare type DefaultStyleType = {
borderRadius?: BorderRadiusType;
background?: BackgroundType;
fontColor?: PrizeFontType['fontColor'];
fontSize?: PrizeFontType['fontSize'];
fontStyle?: PrizeFontType['fontStyle'];
fontWeight?: PrizeFontType['fontWeight'];
lineHeight?: PrizeFontType['lineHeight'];
wordWrap?: PrizeFontType['wordWrap'];
lengthLimit?: PrizeFontType['lengthLimit'];
lineClamp?: PrizeFontType['lineClamp'];
};
declare type EndCallbackType = (prize: PrizeType | undefined) => void;
interface SlotMachineConfig {
width: string | number;
height: string | number;
blocks?: Array<BlockType>;
prizes?: Array<PrizeType>;
slots?: Array<SlotType>;
defaultConfig?: DefaultConfigType;
defaultStyle?: DefaultStyleType;
end?: EndCallbackType;
}
declare class SlotMachine extends Lucky {
private blocks;
private prizes;
private slots;
private defaultConfig;
private _defaultConfig;
private defaultStyle;
private _defaultStyle;
private endCallback;
private _offscreenCanvas?;
private cellWidth;
private cellHeight;
private cellAndSpacing;
private widthAndSpacing;
private heightAndSpacing;
private FPS;
private scroll;
private stopScroll;
private endScroll;
private startTime;
private endTime;
/**
* 游戏当前的阶段
* step = 0 时, 游戏尚未开始
* step = 1 时, 此时处于加速阶段
* step = 2 时, 此时处于匀速阶段
* step = 3 时, 此时处于减速阶段
*/
private step;
/**
* 中奖索引
* prizeFlag = undefined 时, 处于开始抽奖阶段, 正常旋转
* prizeFlag >= 0 时, 说明stop方法被调用, 并且传入了中奖索引
* prizeFlag === -1 时, 说明stop方法被调用, 并且传入了负值, 本次抽奖无效
*/
private prizeFlag;
private prizeArea?;
private ImageCache;
/**
* 老虎机构造器
* @param config 配置项
* @param data 抽奖数据
*/
constructor(config: UserConfigType, data: SlotMachineConfig);
protected resize(): void;
protected initLucky(): void;
/**
* 初始化数据
* @param data
*/
private initData;
/**
* 初始化属性计算
*/
private initComputed;
/**
* 初始化观察者
*/
private initWatch;
/**
* 初始化 canvas 抽奖
*/
init(): Promise<void>;
private initImageCache;
/**
* 根据索引单独加载指定图片并缓存
* @param cellName 模块名称
* @param cellIndex 模块索引
* @param imgName 模块对应的图片缓存
* @param imgIndex 图片索引
*/
private loadAndCacheImg;
/**
* 绘制离屏canvas
*/
protected drawOffscreenCanvas(): void;
/**
* 绘制背景区域
*/
protected drawBlocks(): SlotMachine['prizeArea'];
/**
* 绘制老虎机抽奖
*/
protected draw(): void;
/**
* 刻舟求剑
*/
private carveOnGunwaleOfAMovingBoat;
/**
* 对外暴露: 开始抽奖方法
*/
play(): void;
stop(index: number | number[]): void;
/**
* 让游戏动起来
* @param num 记录帧动画执行多少次
*/
private run;
private displacement;
private displacementWidthOrHeight;
}
/**
* 切割圆角
* @param img 将要裁剪的图片对象
* @param radius 裁剪的圆角半径
* @returns 返回一个离屏 canvas 用于渲染
*/
declare const cutRound: (img: ImgType, radius: number) => ImgType;
/**
* 透明度
* @param img 将要处理的图片对象
* @param opacity 透明度
* @returns 返回一个离屏 canvas 用于渲染
*/
declare const opacity: (img: ImgType, opacity: number) => ImgType;
export { LuckyGrid, LuckyWheel, SlotMachine, cutRound, opacity };